993 lines
37 KiB
Rust
993 lines
37 KiB
Rust
use std::borrow::Cow;
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use std::collections::HashSet;
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use std::time::Duration;
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use anyhow::Error;
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use gpui::{AppContext, Context, Subscription, Task};
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use nostr::event::IntoEventBuilder;
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use nostr_sdk::prelude::*;
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use signed_core::{
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Announcement, COVER_NOTE_KIND, Deletions, RepoAddr, RepoStatus, build_state, cover_note,
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filters, labels_and_subject, parse_state, pull_request_patch, subject_override,
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};
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use crate::backend::{Backend, BackendEvent};
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use crate::git_store::GitStore;
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/// Delay between a refresh request and the actual re-query, so bursts of
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/// events (e.g. per-event `NostrUpdate`s) collapse into one query.
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const REFRESH_DEBOUNCE: Duration = Duration::from_millis(300);
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/// Per-repository store: announcement, state, issues, patches, PRs,
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/// comments and their resolved statuses. Always derived from the local
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/// database.
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pub struct RepoStore {
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addr: RepoAddr,
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pub announcement: Option<Announcement>,
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/// `(refname, commit-id)` pairs from the latest state announcement.
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pub refs: Vec<(String, String)>,
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/// Branch pointed to by `HEAD` in the latest state announcement.
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pub head: Option<String>,
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pub issues: Vec<Event>,
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pub patches: Vec<Event>,
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pub pull_requests: Vec<Event>,
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/// Comments on issues / PRs, oldest first.
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pub comments: Vec<Event>,
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statuses: Vec<Event>,
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/// Kind-1624 cover notes and kind-1985 label events referencing this
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/// repository's roots (ngit / GitWorkshop extensions).
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cover_notes: Vec<Event>,
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labels: Vec<Event>,
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/// Error of the last action initiated from this store, if any.
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pub last_error: Option<String>,
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/// Relays announced by this repository (NIP-34 `relays` tag) that we
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/// have already been asked to connect to and fetch from, to avoid
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/// re-subscribing on every refresh.
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repo_relays: HashSet<RelayUrl>,
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/// Root events (issues, patches, PRs) for which the per-root fetches
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/// (NIP-22 comments, statuses without an `a` tag, cover notes and
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/// labels) have already been requested, to avoid re-fetching on every
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/// refresh.
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root_fetches: HashSet<EventId>,
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refreshing: bool,
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refresh_dirty: bool,
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/// A refresh is waiting out [`REFRESH_DEBOUNCE`].
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debouncing: bool,
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tasks: Vec<Task<Result<(), Error>>>,
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_subscription: Subscription,
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}
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impl RepoStore {
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pub fn new(addr: RepoAddr, announced_relays: Vec<RelayUrl>, cx: &mut Context<Self>) -> Self {
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let backend = Backend::global(cx);
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let subscription = cx.subscribe(&backend, |this, _backend, event, cx| {
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let relevant = match event {
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BackendEvent::NostrUpdate(update) => {
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// Deletions may target any event of this repository.
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let deletion =
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update.kind == Kind::EventDeletion || update.kind == Kind::RequestToVanish;
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let coordinate = update.coordinate.as_ref() == Some(&this.addr);
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let author = update.author == this.addr.public_key;
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let kind = update.kind == Kind::GitRepoAnnouncement;
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// NIP-22 comments carry no `a` tag, so they can't be
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// matched by coordinate; any comment may reference this
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// repository's roots.
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let comment = update.kind == Kind::Comment;
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// Status events may omit their `a` tag (NIP-34), so any
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// status event may reference a root of this repository.
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let status = RepoStatus::from_kind(update.kind).is_some();
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// Cover notes and labels carry no `a` tag either.
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let annotation = update.kind == COVER_NOTE_KIND || update.kind == Kind::Label;
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deletion || coordinate || (author && kind) || comment || status || annotation
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}
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BackendEvent::Published(event) => {
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let kind = event.kind == Kind::GitRepoAnnouncement;
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let author = event.pubkey == this.addr.public_key;
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let coordinate = event.tags.coordinates().into_iter().any(|c| c == this.addr);
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// Locally published deletions may target any event of
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// this repository; refresh so they take effect
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// immediately, like relay deletions.
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let deletion =
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event.kind == Kind::EventDeletion || event.kind == Kind::RequestToVanish;
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coordinate || (kind && author) || deletion
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}
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_ => false,
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};
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if relevant {
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this.refresh(cx);
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}
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});
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let mut store = Self {
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addr,
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announcement: None,
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refs: Vec::new(),
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head: None,
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issues: Vec::new(),
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patches: Vec::new(),
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pull_requests: Vec::new(),
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comments: Vec::new(),
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statuses: Vec::new(),
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cover_notes: Vec::new(),
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labels: Vec::new(),
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last_error: None,
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repo_relays: HashSet::new(),
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root_fetches: HashSet::new(),
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refreshing: false,
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refresh_dirty: false,
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debouncing: false,
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_subscription: subscription,
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tasks: Vec::new(),
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};
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store.subscribe_remote(cx);
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// The announcement we opened the repo from may already list its
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// relays; connect to them right away instead of waiting for the
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// bootstrap fetch to return the same event.
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store.connect_announced_relays(&announced_relays, cx);
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store.refresh(cx);
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store
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}
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pub fn addr(&self) -> &RepoAddr {
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&self.addr
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}
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/// Filters that make up a repository: announcement, state, activity and
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/// deletions targeting it.
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fn repo_filters(addr: &RepoAddr) -> Vec<Filter> {
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let mut filters = vec![
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filters::announcement(addr),
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filters::state(addr),
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filters::activity(addr),
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];
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// Deletion requests (NIP-09/62) must be known before any event of
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// this repository can be shown.
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filters.extend(filters::deletions_for_repo(addr));
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filters
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}
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/// Fetch this repository's events from the relays announced in its
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/// NIP-34 `relays` tag. Deduplicated: each relay is only contacted once
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/// per store, so refreshes after the first are no-ops unless the
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/// announcement lists new relays.
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fn connect_announced_relays(&mut self, relays: &[RelayUrl], cx: &mut Context<Self>) {
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let new: Vec<RelayUrl> = relays
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.iter()
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.filter(|url| !self.repo_relays.contains(*url))
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.cloned()
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.collect();
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if new.is_empty() {
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return;
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}
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self.repo_relays.extend(new.iter().cloned());
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let backend = Backend::global(cx);
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let addr = self.addr.clone();
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backend.update(cx, |backend, cx| {
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backend.connect_repo_relays(new, Self::repo_filters(&addr), cx);
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});
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}
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/// Fetch this repository's events from the bootstrap relays (one-shot,
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/// auto-closing subscription).
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fn subscribe_remote(&mut self, cx: &mut Context<Self>) {
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let backend = Backend::global(cx);
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let addr = self.addr.clone();
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backend.update(cx, |backend, cx| {
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backend.subscribe_bootstrap(Self::repo_filters(&addr), cx);
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});
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}
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/// Re-query the local database and update all fields.
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///
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/// Debounced: a short delay collapses bursts of requests (e.g. per-event
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/// `NostrUpdate`s), and requests that arrive while a query is running are
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/// folded into one follow-up query. The query and processing run on a
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/// background thread; only the results are applied on the main thread.
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pub fn refresh(&mut self, cx: &mut Context<Self>) {
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if self.refreshing {
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self.refresh_dirty = true;
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return;
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}
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if self.debouncing {
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return;
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}
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self.debouncing = true;
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let task = cx.spawn(async move |this, cx| {
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cx.background_executor().timer(REFRESH_DEBOUNCE).await;
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this.update(cx, |this, cx| {
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this.debouncing = false;
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this.run_refresh(cx);
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})
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});
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self.tasks.retain(|task| !task.is_ready());
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self.tasks.push(task);
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}
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/// One query + apply cycle (debounced entry point).
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fn run_refresh(&mut self, cx: &mut Context<Self>) {
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self.refreshing = true;
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let client = Backend::global(cx).read(cx).client();
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let addr = self.addr.clone();
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let work = cx.background_spawn(async move {
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let (announcements, states, activity, deletion_events) = async {
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let db = client.database();
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let announcements = db.query(filters::announcement(&addr)).await?;
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let states = db.query(filters::state(&addr)).await?;
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let activity = db.query(filters::activity(&addr)).await?;
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let deletion_events = db.query(filters::deletions()).await?;
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Ok::<_, Error>((announcements, states, activity, deletion_events))
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}
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.await?;
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let deletions = Deletions::from_events(deletion_events);
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// Parse and sort off the main thread; only plain data
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// crosses back into the entity.
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let all_announcements = announcements
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.into_iter()
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.filter(|e| !deletions.is_deleted(e));
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let announcement = latest(all_announcements)
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.as_ref()
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.and_then(Announcement::from_event);
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let all_states = states.into_iter().filter(|e| !deletions.is_deleted(e));
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let state = latest(all_states).map(|state| parse_state(&state));
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let (mut issues, mut patches, mut pull_requests, mut statuses, mut comments) =
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(Vec::new(), Vec::new(), Vec::new(), Vec::new(), Vec::new());
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let (mut cover_notes, mut labels): (Vec<Event>, Vec<Event>) = (Vec::new(), Vec::new());
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for event in activity {
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if deletions.is_deleted(&event) {
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continue;
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}
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match event.kind {
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Kind::GitIssue => issues.push(event),
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Kind::GitPatch => patches.push(event),
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Kind::GitPullRequest | Kind::GitPullRequestUpdate => pull_requests.push(event),
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Kind::Comment => comments.push(event),
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kind if RepoStatus::from_kind(kind).is_some() => statuses.push(event),
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_ => {}
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}
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}
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// NIP-22 comments reference their root via an `E`/`e` tag rather
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// than the repository's `a` tag, so query them by the root events
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// of this repository.
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let db = client.database();
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let mut seen_comments: HashSet<EventId> = comments.iter().map(|e| e.id).collect();
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let roots = issues
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.iter()
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.chain(&patches)
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.chain(&pull_requests)
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.map(|e| e.id);
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for filter in filters::comments_for(roots) {
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for event in db.query(filter).await? {
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if seen_comments.insert(event.id) {
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comments.push(event);
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}
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}
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}
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// Status events may omit their `a` tag (NIP-34 makes it
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// optional), so also query them by the root events they
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// reference.
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let db = client.database();
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let mut seen_statuses: HashSet<EventId> = statuses.iter().map(|e| e.id).collect();
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let roots = issues
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.iter()
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.chain(&patches)
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.chain(&pull_requests)
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.map(|e| e.id);
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for root in roots {
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for event in db.query(filters::statuses_for(root)).await? {
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if seen_statuses.insert(event.id) {
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statuses.push(event);
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}
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}
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}
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// Cover notes (1624) and label events (1985) reference their
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// target via an `e` tag, so query them per root like comments
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// and statuses.
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let db = client.database();
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let mut seen_cover_notes: HashSet<EventId> = cover_notes.iter().map(|e| e.id).collect();
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let mut seen_labels: HashSet<EventId> = labels.iter().map(|e| e.id).collect();
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let roots = issues
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.iter()
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.chain(&patches)
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.chain(&pull_requests)
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.map(|e| e.id);
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for root in roots {
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for event in db.query(filters::annotations_for(root)).await? {
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if deletions.is_deleted(&event) {
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continue;
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}
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if event.kind == COVER_NOTE_KIND && seen_cover_notes.insert(event.id) {
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cover_notes.push(event);
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} else if event.kind == Kind::Label && seen_labels.insert(event.id) {
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labels.push(event);
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}
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}
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}
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sort_newest_first(&mut issues);
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sort_newest_first(&mut patches);
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sort_newest_first(&mut pull_requests);
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sort_oldest_first(&mut comments);
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sort_newest_first(&mut cover_notes);
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sort_newest_first(&mut labels);
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Ok::<_, Error>((
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announcement,
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state,
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issues,
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patches,
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pull_requests,
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statuses,
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comments,
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cover_notes,
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labels,
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))
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});
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self.tasks.retain(|task| !task.is_ready());
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self.tasks.push(cx.spawn(async move |this, cx| {
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let (
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announcement,
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state,
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issues,
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patches,
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pull_requests,
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statuses,
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comments,
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cover_notes,
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labels,
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) = match work.await {
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Ok(data) => data,
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Err(e) => {
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return this.update(cx, |this, cx| {
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this.refreshing = false;
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this.last_error = Some(e.to_string());
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cx.notify();
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});
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}
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};
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let again = this.update(cx, |this, cx| {
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this.announcement = announcement;
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// The announcement may list relays for this repository's
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// activity; connect to any we haven't fetched from yet.
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let relays = this
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.announcement
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.as_ref()
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.map(|a| a.relays.clone())
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.unwrap_or_default();
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this.connect_announced_relays(&relays, cx);
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if let Some((refs, head)) = state {
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this.refs = refs;
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this.head = head;
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}
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this.issues = issues;
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this.patches = patches;
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this.pull_requests = pull_requests;
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this.comments = comments;
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this.statuses = statuses;
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this.cover_notes = cover_notes;
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this.labels = labels;
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// Comments, statuses without an `a` tag, cover notes and
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// labels are not addressed to the repository, so fetch them
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// by the root events they reference, on the bootstrap relays
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// and on the relays this repository announced.
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let roots = this
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.issues
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.iter()
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.chain(&this.patches)
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.chain(&this.pull_requests)
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.map(|e| e.id)
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.collect::<HashSet<EventId>>();
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let new_roots: Vec<EventId> = roots
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.iter()
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.filter(|id| !this.root_fetches.contains(id))
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.copied()
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.collect();
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if !new_roots.is_empty() {
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this.root_fetches.extend(new_roots.iter().copied());
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let comment_filters = filters::comments_for(new_roots.clone());
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let status_filters: Vec<Filter> = new_roots
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.iter()
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.copied()
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.map(filters::statuses_for)
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.collect();
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let annotation_filters: Vec<Filter> = new_roots
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.into_iter()
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.map(filters::annotations_for)
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.collect();
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let announced: Vec<RelayUrl> = this.repo_relays.iter().cloned().collect();
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let backend = Backend::global(cx);
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backend.update(cx, |backend, cx| {
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backend.subscribe_bootstrap(comment_filters.clone(), cx);
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backend.connect_repo_relays(announced.clone(), comment_filters, cx);
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backend.subscribe_bootstrap(status_filters.clone(), cx);
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backend.connect_repo_relays(announced.clone(), status_filters, cx);
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backend.subscribe_bootstrap(annotation_filters.clone(), cx);
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backend.connect_repo_relays(announced, annotation_filters, cx);
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});
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}
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cx.notify();
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this.refreshing = false;
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if this.refresh_dirty {
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this.refresh_dirty = false;
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true
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} else {
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false
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}
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})?;
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// Requests that arrived while the refresh was running are
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// coalesced into one follow-up refresh.
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if again {
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this.update(cx, |this, cx| this.refresh(cx))?;
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}
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Ok(())
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}));
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}
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/// Resolve the status of a root event (issue / patch / PR) per NIP-34.
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pub fn status_of(&self, root: &Event) -> RepoStatus {
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let maintainers = self
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.announcement
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.as_ref()
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.map(Announcement::effective_maintainers)
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.unwrap_or_default();
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let events = self
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.statuses
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.iter()
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.filter(|e| signed_core::references_root(e, &root.id));
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signed_core::resolve_status(events, &root.pubkey, &maintainers)
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}
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/// The effective cover note of `root` (kind 1624), if any: the latest
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/// note authored by the root author or a maintainer.
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pub fn cover_note_of(&self, root: &Event) -> Option<&Event> {
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let maintainers = self
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.announcement
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.as_ref()
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.map(Announcement::effective_maintainers)
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.unwrap_or_default();
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cover_note(root, &self.cover_notes, &maintainers)
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}
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|
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/// The effective hashtag labels of `root`: its own `t` tags plus labels
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/// from authorized NIP-32 kind-1985 events (`#t` namespace).
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pub fn labels_of(&self, root: &Event) -> Vec<String> {
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let maintainers = self
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.announcement
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.as_ref()
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.map(Announcement::effective_maintainers)
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.unwrap_or_default();
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let (labels, _) = labels_and_subject(root, &self.labels, &maintainers);
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labels
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}
|
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|
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/// The effective subject/title override of `root` from authorized
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/// kind-1985 events (`#subject` namespace), if any.
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pub fn subject_of(&self, root: &Event) -> Option<String> {
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let maintainers = self
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.announcement
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.as_ref()
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|
.map(Announcement::effective_maintainers)
|
|
.unwrap_or_default();
|
|
|
|
subject_override(root, &self.labels, &maintainers)
|
|
}
|
|
|
|
/// Number of open issues: issues whose resolved status is
|
|
/// [`RepoStatus::Open`] (issues without status events default to open).
|
|
pub fn issue_count(&self) -> usize {
|
|
self.issues
|
|
.iter()
|
|
.filter(|issue| self.status_of(issue) == RepoStatus::Open)
|
|
.count()
|
|
}
|
|
|
|
/// Number of open pull requests: root PR events (not PR updates, whose
|
|
/// status is carried by the root) with a resolved status of
|
|
/// [`RepoStatus::Open`].
|
|
pub fn pull_request_count(&self) -> usize {
|
|
self.pull_requests
|
|
.iter()
|
|
.filter(|pr| pr.kind == Kind::GitPullRequest && self.status_of(pr) == RepoStatus::Open)
|
|
.count()
|
|
}
|
|
|
|
/// Whether `user` is the author (owner) of this repository: the public
|
|
/// key of the repository address. Only the author may manage the
|
|
/// repository's pull requests (close / reopen / merge).
|
|
pub fn is_author(&self, user: &PublicKey) -> bool {
|
|
&self.addr.public_key == user
|
|
}
|
|
|
|
/// Open an issue on this repository.
|
|
pub fn open_issue(&mut self, subject: Option<String>, content: String, cx: &mut Context<Self>) {
|
|
let builder = GitIssue {
|
|
repository: self.addr.clone(),
|
|
content,
|
|
subject,
|
|
labels: Vec::new(),
|
|
}
|
|
.into_event_builder();
|
|
|
|
self.send(builder, cx);
|
|
}
|
|
|
|
/// Comments on a root event (issue / PR), oldest first.
|
|
pub fn comments_of(&self, root: &EventId) -> impl Iterator<Item = &Event> {
|
|
self.comments
|
|
.iter()
|
|
.filter(move |e| signed_core::references_root(e, root))
|
|
}
|
|
|
|
/// Comment on a root event (issue / PR) per NIP-34 (kind 1111), using
|
|
/// the SDK's NIP-22 `CommentBuilder` so other NIP-34 clients (ngit,
|
|
/// GitWorkshop) can thread the comment.
|
|
pub fn comment(&mut self, root: &Event, content: String, cx: &mut Context<Self>) {
|
|
self.reply(root, None, content, cx);
|
|
}
|
|
|
|
/// Reply to `parent` (a comment on `root`) with a NIP-22 threaded
|
|
/// comment; `None` publishes a top-level comment on the root itself.
|
|
pub fn reply(
|
|
&mut self,
|
|
root: &Event,
|
|
parent: Option<&Event>,
|
|
content: String,
|
|
cx: &mut Context<Self>,
|
|
) {
|
|
let relay_hint = self
|
|
.announcement
|
|
.as_ref()
|
|
.and_then(|a| a.relays.first())
|
|
.cloned();
|
|
|
|
self.send(
|
|
comment_builder(root, parent, relay_hint.as_ref(), &self.addr, content),
|
|
cx,
|
|
);
|
|
}
|
|
|
|
/// Open a pull request on this repository: a root PR event (kind 1618)
|
|
/// whose content is the markdown description, plus a root patch event
|
|
/// (kind 1617) carrying the `git format-patch` output, which the PR
|
|
/// references via an `e` tag (NIP-34).
|
|
///
|
|
/// The patch is published first and the PR is sent once the patch
|
|
/// event's id is known, so the two always arrive together. The proposed
|
|
/// commit is parsed from the patch's `From <commit>` header; publishing
|
|
/// without one is refused, because the PR's `c` tag (and the patch's
|
|
/// `commit`/`r` tags) must carry a real commit id for other NIP-34
|
|
/// clients to verify and apply the proposal. The PR's `clone` tag
|
|
/// carries the repository's announced mirror URLs (the commit may not be
|
|
/// pushed there yet; the linked patch is the source of truth until a
|
|
/// push backend exists).
|
|
pub fn open_pull_request(
|
|
&mut self,
|
|
subject: Option<String>,
|
|
description: String,
|
|
patch: String,
|
|
cx: &mut Context<Self>,
|
|
) {
|
|
self.last_error = None;
|
|
|
|
let Some(current_commit) =
|
|
patch_current_commit(&patch).and_then(|hex| hex.parse::<bitcoin_hashes::Sha1>().ok())
|
|
else {
|
|
self.last_error = Some(
|
|
"Patch must be `git format-patch` output with a `From <commit-id>` header".into(),
|
|
);
|
|
cx.notify();
|
|
return;
|
|
};
|
|
|
|
let Ok(root_marker) = Tag::parse(["t", "root"]) else {
|
|
return;
|
|
};
|
|
let commit_hex = current_commit.to_string();
|
|
let mut patch_tags = vec![
|
|
Tag::coordinate(self.addr.clone(), None),
|
|
Tag::public_key(self.addr.public_key),
|
|
root_marker,
|
|
];
|
|
// NIP-34: the `r` EUC tag lets clients subscribe to all patches of
|
|
// this repository; `commit`/`r` tags reference the proposed commit.
|
|
if let Some(euc) = self.announcement.as_ref().and_then(|a| a.euc.clone())
|
|
&& let Ok(tag) = Tag::parse(["r", &euc])
|
|
{
|
|
patch_tags.push(tag);
|
|
}
|
|
if let Ok(tag) = Tag::parse(["commit", &commit_hex]) {
|
|
patch_tags.push(tag);
|
|
}
|
|
if let Ok(tag) = Tag::parse(["r", &commit_hex]) {
|
|
patch_tags.push(tag);
|
|
}
|
|
let patch_builder = EventBuilder::new(Kind::GitPatch, patch).tags(patch_tags);
|
|
|
|
let patch_task =
|
|
Backend::global(cx).update(cx, |backend, cx| backend.send(patch_builder, cx));
|
|
|
|
self.tasks.push(cx.spawn(async move |this, cx| {
|
|
let patch_event = match patch_task.await {
|
|
Ok(event) => event,
|
|
Err(e) => {
|
|
return this.update(cx, |this, cx| {
|
|
this.last_error = Some(e.to_string());
|
|
cx.notify();
|
|
});
|
|
}
|
|
};
|
|
|
|
// The PR references the patch event so viewers can find the
|
|
// patch without carrying it inline.
|
|
let pr_task = this.update(cx, |this, cx| {
|
|
let builder = GitPullRequest {
|
|
repository: this.addr.clone(),
|
|
content: description,
|
|
subject,
|
|
labels: Vec::new(),
|
|
branch_name: None,
|
|
// NIP-34: PRs carry at least one clone URL where the
|
|
// tip commit can be downloaded; use the repository's
|
|
// announced mirrors until a push backend exists.
|
|
clone: this
|
|
.announcement
|
|
.as_ref()
|
|
.map(|a| a.clone.clone())
|
|
.unwrap_or_default(),
|
|
current_commit,
|
|
root_patch_event: Some(patch_event.id),
|
|
merge_base: None,
|
|
}
|
|
.into_event_builder();
|
|
|
|
Backend::global(cx).update(cx, |backend, cx| backend.send(builder, cx))
|
|
})?;
|
|
|
|
if let Err(e) = pr_task.await {
|
|
return this.update(cx, |this, cx| {
|
|
this.last_error = Some(e.to_string());
|
|
cx.notify();
|
|
});
|
|
}
|
|
|
|
Ok(())
|
|
}));
|
|
}
|
|
|
|
/// Set the status of a root event. Per NIP-34 only the root author or a
|
|
/// repository maintainer may set the status; status events from anyone
|
|
/// else are ignored by clients, so refuse them up front.
|
|
pub fn set_status(&mut self, root: &Event, status: RepoStatus, cx: &mut Context<Self>) {
|
|
self.last_error = None;
|
|
|
|
let maintainers = self
|
|
.announcement
|
|
.as_ref()
|
|
.map(Announcement::effective_maintainers)
|
|
.unwrap_or_default();
|
|
|
|
let Some(user) = Backend::global(cx).read(cx).current_user() else {
|
|
self.last_error = Some("Sign in to change the status".into());
|
|
cx.notify();
|
|
return;
|
|
};
|
|
|
|
if user != root.pubkey && !maintainers.contains(&user) {
|
|
self.last_error = Some("Only the author or a maintainer can change the status".into());
|
|
cx.notify();
|
|
return;
|
|
}
|
|
|
|
let Ok(root_ref) = Tag::parse(["e", &root.id.to_hex(), "", "root"]) else {
|
|
return;
|
|
};
|
|
|
|
let builder = EventBuilder::new(status.kind(), "").tags([
|
|
root_ref,
|
|
Tag::public_key(self.addr.public_key),
|
|
Tag::public_key(root.pubkey),
|
|
Tag::coordinate(self.addr.clone(), None),
|
|
]);
|
|
|
|
self.send(builder, cx);
|
|
}
|
|
|
|
/// Publish a repository state announcement (kind 30618) with the refs of
|
|
/// the local clone: branches, tags and HEAD. Only the repository owner
|
|
/// may publish state, and a local clone must exist to read the refs from.
|
|
pub fn publish_state(&mut self, cx: &mut Context<Self>) {
|
|
self.last_error = None;
|
|
|
|
let Some(user) = Backend::global(cx).read(cx).current_user() else {
|
|
self.last_error = Some("Sign in to publish repository state".into());
|
|
cx.notify();
|
|
return;
|
|
};
|
|
if !self.is_author(&user) {
|
|
self.last_error = Some("Only the repository owner can publish state".into());
|
|
cx.notify();
|
|
return;
|
|
}
|
|
|
|
let cache = GitStore::global(cx).cache().clone();
|
|
let addr = self.addr.clone();
|
|
let clone_urls: Vec<String> = self
|
|
.announcement
|
|
.as_ref()
|
|
.map(|a| a.clone.iter().map(ToString::to_string).collect())
|
|
.unwrap_or_default();
|
|
|
|
let work = cx.background_spawn(async move {
|
|
let repo = cache.ensure_clone(&addr, &clone_urls)?;
|
|
signed_git::repo_ref_state(&repo)
|
|
});
|
|
|
|
self.tasks.push(cx.spawn(async move |this, cx| {
|
|
let state = match work.await {
|
|
Ok(state) => state,
|
|
Err(e) => {
|
|
return this.update(cx, |this, cx| {
|
|
this.last_error = Some(e.to_string());
|
|
cx.notify();
|
|
});
|
|
}
|
|
};
|
|
|
|
this.update(cx, |this, cx| {
|
|
let builder =
|
|
build_state(&this.addr.identifier, &state.refs, state.head.as_deref());
|
|
this.send(builder, cx);
|
|
})?;
|
|
|
|
Ok(())
|
|
}));
|
|
}
|
|
|
|
/// Merge a pull request: apply its patch (the content of the linked
|
|
/// root patch event) to the local clone of this repository, then publish
|
|
/// the merged status.
|
|
///
|
|
/// Only the repository author may merge. The clone is created on demand
|
|
/// from the announcement's clone URLs when the repository hasn't been
|
|
/// mirrored locally yet. Patch application runs on a background thread
|
|
/// (`git am`); failures (e.g. a patch that no longer applies) surface in
|
|
/// [`Self::last_error`] and no status is sent.
|
|
pub fn merge_pull_request(&mut self, root: &Event, cx: &mut Context<Self>) {
|
|
self.last_error = None;
|
|
|
|
let is_author = Backend::global(cx)
|
|
.read(cx)
|
|
.current_user()
|
|
.is_some_and(|user| self.is_author(&user));
|
|
if !is_author {
|
|
self.last_error = Some("Only the repository author can merge pull requests".into());
|
|
return;
|
|
}
|
|
|
|
let cache = GitStore::global(cx).cache().clone();
|
|
let addr = self.addr.clone();
|
|
let clone_urls: Vec<String> = self
|
|
.announcement
|
|
.as_ref()
|
|
.map(|a| a.clone.iter().map(ToString::to_string).collect())
|
|
.unwrap_or_default();
|
|
let patch = pull_request_patch(root, self.patches.iter());
|
|
let root = root.clone();
|
|
|
|
let apply = cx.background_spawn(async move {
|
|
let repo = cache.ensure_clone(&addr, &clone_urls)?;
|
|
let workdir = repo
|
|
.workdir()
|
|
.ok_or_else(|| anyhow::anyhow!("repository has no worktree"))?;
|
|
signed_git::apply_patch(workdir, &patch)
|
|
});
|
|
|
|
self.tasks.push(cx.spawn(async move |this, cx| {
|
|
match apply.await {
|
|
Ok(()) => {
|
|
this.update(cx, |this, cx| {
|
|
this.set_status(&root, RepoStatus::Applied, cx);
|
|
})?;
|
|
}
|
|
Err(e) => {
|
|
this.update(cx, |this, cx| {
|
|
this.last_error = Some(e.to_string());
|
|
cx.notify();
|
|
})?;
|
|
}
|
|
}
|
|
Ok(())
|
|
}));
|
|
}
|
|
|
|
fn send(&mut self, builder: EventBuilder, cx: &mut Context<Self>) {
|
|
self.last_error = None;
|
|
|
|
let backend = Backend::global(cx);
|
|
let task = backend.update(cx, |backend, cx| backend.send(builder, cx));
|
|
|
|
self.tasks.push(cx.spawn(async move |this, cx| {
|
|
if let Err(e) = task.await {
|
|
this.update(cx, |this, cx| {
|
|
this.last_error = Some(e.to_string());
|
|
cx.notify();
|
|
})?;
|
|
}
|
|
Ok(())
|
|
}));
|
|
}
|
|
}
|
|
|
|
fn latest<I>(events: I) -> Option<Event>
|
|
where
|
|
I: IntoIterator<Item = Event>,
|
|
{
|
|
events.into_iter().max_by_key(|e| e.created_at)
|
|
}
|
|
|
|
fn sort_newest_first(events: &mut [Event]) {
|
|
events.sort_by_key(|e| std::cmp::Reverse(e.created_at));
|
|
}
|
|
|
|
fn sort_oldest_first(events: &mut [Event]) {
|
|
events.sort_by_key(|e| e.created_at);
|
|
}
|
|
|
|
/// The proposed commit of a `git format-patch` output: the `From <commit>`
|
|
/// header on its first line.
|
|
fn patch_current_commit(patch: &str) -> Option<&str> {
|
|
let line = patch.lines().next()?;
|
|
let hex = line.strip_prefix("From ")?;
|
|
hex.split_whitespace().next().filter(|hex| hex.len() == 40)
|
|
}
|
|
|
|
/// Build a NIP-22 kind-1111 comment using the SDK's [`CommentBuilder`]:
|
|
/// uppercase `E`/`K`/`P` tags scope the thread root, lowercase `e`/`k`/`p`
|
|
/// tags the direct parent (`parent`, or the root itself for a top-level
|
|
/// comment). An `a` tag with the repository coordinate is added so Signed's
|
|
/// own activity subscriptions also match the comment (it is not part of
|
|
/// NIP-22).
|
|
fn comment_builder(
|
|
root: &Event,
|
|
parent: Option<&Event>,
|
|
relay_hint: Option<&RelayUrl>,
|
|
addr: &RepoAddr,
|
|
content: String,
|
|
) -> EventBuilder {
|
|
let target = |event: &Event| {
|
|
CommentTarget::event(
|
|
event.id,
|
|
event.kind,
|
|
Some(event.pubkey),
|
|
relay_hint.cloned().map(Cow::Owned),
|
|
)
|
|
};
|
|
let root_target = target(root);
|
|
let parent_target = parent.map(target).unwrap_or_else(|| root_target.clone());
|
|
|
|
CommentBuilder::new(content, parent_target)
|
|
.root(root_target)
|
|
.into_event_builder()
|
|
.tags([Tag::coordinate(addr.clone(), None)])
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use nostr_sdk::prelude::*;
|
|
|
|
use super::{comment_builder, patch_current_commit};
|
|
|
|
#[test]
|
|
fn parses_format_patch_header() {
|
|
let patch = "From 1f6c0c5f3f1a1a1a1a1a1a1a1a1a1a1a1a1a1a1a Mon Sep 17 00:00:00 2001\nFrom: A <a@b.c>\nSubject: [PATCH] fix\n\n---\n";
|
|
assert_eq!(
|
|
patch_current_commit(patch),
|
|
Some("1f6c0c5f3f1a1a1a1a1a1a1a1a1a1a1a1a1a1a1a")
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn no_commit_without_header() {
|
|
assert_eq!(patch_current_commit(""), None);
|
|
assert_eq!(patch_current_commit("Subject: [PATCH] x\n\n---\n"), None);
|
|
assert_eq!(patch_current_commit("From short\n"), None);
|
|
}
|
|
|
|
#[test]
|
|
fn comment_builder_follows_nip22() {
|
|
let keys = Keys::generate();
|
|
let root = EventBuilder::new(Kind::GitIssue, "issue body")
|
|
.finalize(&keys)
|
|
.expect("signed event");
|
|
let addr = Coordinate::new(Kind::GitRepoAnnouncement, root.pubkey).identifier("my-repo");
|
|
let relay = RelayUrl::parse("wss://relay.example.com").expect("valid relay URL");
|
|
|
|
let event = comment_builder(&root, None, Some(&relay), &addr, "hi".into())
|
|
.finalize(&keys)
|
|
.expect("signed event");
|
|
|
|
assert_eq!(event.kind, Kind::Comment);
|
|
|
|
let kinds: Vec<&str> = event.tags.iter().map(Tag::kind).collect();
|
|
for expected in ["E", "K", "P", "e", "k", "p", "a"] {
|
|
assert!(kinds.contains(&expected), "missing {expected} tag");
|
|
}
|
|
|
|
// The uppercase `E` tag scopes the root: id, relay hint and author.
|
|
let e = event.tags.iter().find(|t| t.kind() == "E").expect("E tag");
|
|
let slice = e.as_slice();
|
|
assert_eq!(slice[1], root.id.to_hex());
|
|
assert_eq!(slice[2], relay.as_str());
|
|
assert_eq!(slice[3], root.pubkey.to_hex());
|
|
|
|
// The lowercase `e` tag references the parent, which for a top-level
|
|
// comment is the root itself.
|
|
let e = event.tags.iter().find(|t| t.kind() == "e").expect("e tag");
|
|
assert_eq!(e.as_slice()[1], root.id.to_hex());
|
|
|
|
// Signed's own `references_root` must keep matching the comment.
|
|
assert!(signed_core::references_root(&event, &root.id));
|
|
}
|
|
|
|
#[test]
|
|
fn comment_builder_replies_nest_under_the_parent() {
|
|
let keys = Keys::generate();
|
|
let root = EventBuilder::new(Kind::GitIssue, "issue body")
|
|
.finalize(&keys)
|
|
.expect("signed event");
|
|
let parent = EventBuilder::new(Kind::Comment, "first comment")
|
|
.finalize(&keys)
|
|
.expect("signed event");
|
|
let addr = Coordinate::new(Kind::GitRepoAnnouncement, root.pubkey).identifier("my-repo");
|
|
|
|
let event = comment_builder(&root, Some(&parent), None, &addr, "reply".into())
|
|
.finalize(&keys)
|
|
.expect("signed event");
|
|
|
|
// The uppercase `E` tag still scopes the root event, while the
|
|
// lowercase `e` tag references the parent comment.
|
|
let root_ref = event.tags.iter().find(|t| t.kind() == "E").expect("E tag");
|
|
let parent_ref = event.tags.iter().find(|t| t.kind() == "e").expect("e tag");
|
|
assert_eq!(root_ref.as_slice()[1], root.id.to_hex());
|
|
assert_eq!(parent_ref.as_slice()[1], parent.id.to_hex());
|
|
|
|
// The reply still threads under the root for Signed's own display.
|
|
assert!(signed_core::references_root(&event, &root.id));
|
|
}
|
|
}
|